BR112022026942A2 - RECOVERY OF RARE EARTH METALS FROM FERROMAGNETIC ALLOYS - Google Patents

RECOVERY OF RARE EARTH METALS FROM FERROMAGNETIC ALLOYS

Info

Publication number
BR112022026942A2
BR112022026942A2 BR112022026942A BR112022026942A BR112022026942A2 BR 112022026942 A2 BR112022026942 A2 BR 112022026942A2 BR 112022026942 A BR112022026942 A BR 112022026942A BR 112022026942 A BR112022026942 A BR 112022026942A BR 112022026942 A2 BR112022026942 A2 BR 112022026942A2
Authority
BR
Brazil
Prior art keywords
rare earth
recovery
earth metals
ferromagnetic alloys
ferromagnetic
Prior art date
Application number
BR112022026942A
Other languages
Portuguese (pt)
Inventor
Lubomirsky Igor
Kaplan Valery
Original Assignee
Yeda Res & Dev
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yeda Res & Dev filed Critical Yeda Res & Dev
Priority claimed from PCT/IL2021/050811 external-priority patent/WO2022003694A1/en
Publication of BR112022026942A2 publication Critical patent/BR112022026942A2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/22—Electrolytic production, recovery or refining of metals by electrolysis of solutions of metals not provided for in groups C25C1/02 - C25C1/20
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/005—Preliminary treatment of scrap
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00—Obtaining rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/008—Wet processes by an alkaline or ammoniacal leaching
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Processing Of Solid Wastes (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

RECUPERAÇÃO DE METAIS DE TERRAS RARAS A PARTIR DE LIGAS FERROMAGNÉTICAS. Esta invenção é dirigida a métodos para recuperação de pelo menos um metal de terras raras a partir de liga ferromagnética, incluindo uma cloração do metal de terras raras seguida pela separação do produto clorado.RECOVERY OF RARE EARTH METALS FROM FERROMAGNETIC ALLOYS. This invention is directed to methods for recovering at least one rare earth metal from a ferromagnetic alloy, including a chlorination of the rare earth metal followed by separation of the chlorinated product.

BR112022026942A 2020-07-01 2021-07-01 RECOVERY OF RARE EARTH METALS FROM FERROMAGNETIC ALLOYS BR112022026942A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063046727P 2020-07-01 2020-07-01
PCT/IL2021/050811 WO2022003694A1 (en) 2020-07-01 2021-07-01 Recovery of rare earth metals from ferromagnetic alloys

Publications (1)

Publication Number Publication Date
BR112022026942A2 true BR112022026942A2 (en) 2023-01-24

Family

ID=79167616

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022026942A BR112022026942A2 (en) 2020-07-01 2021-07-01 RECOVERY OF RARE EARTH METALS FROM FERROMAGNETIC ALLOYS

Country Status (10)

Country Link
US (1) US20220002890A1 (en)
EP (1) EP4176094A1 (en)
JP (1) JP2023533386A (en)
KR (1) KR20230031298A (en)
CN (1) CN115768909A (en)
AU (1) AU2021301442B9 (en)
BR (1) BR112022026942A2 (en)
CA (1) CA3188559A1 (en)
IL (1) IL299519A (en)
MX (1) MX2022016256A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115433843A (en) * 2022-08-27 2022-12-06 萍乡泽昊新材料有限责任公司 Rare earth impurity separation method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101767200B (en) * 2010-01-05 2012-05-09 北京科技大学 Minute spherical Nd-Fe-B powder preparation method
GB2486175A (en) * 2010-12-02 2012-06-13 Univ Birmingham Separating rare earth magnetic materials from electronic devices
JP2015516507A (en) * 2012-03-19 2015-06-11 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． Process for recovering rare earth elements and rare metals
EP2885436A4 (en) * 2012-08-17 2015-08-19 Jernkontoret Recovery of rare earth metals
US20160068929A1 (en) * 2014-09-08 2016-03-10 Patrick R. Taylor EXTRACTION OF RARE EARTH METALS FROM NdFeB USING SELECTIVE SULFATION ROASTING
EP3375895A1 (en) * 2017-03-15 2018-09-19 Fundación Tecnalia Research & Innovation Extraction of rare earth elements with deep eutectic solvents
IL254209A0 (en) * 2017-08-29 2017-10-31 Yissum Res Dev Co Of Hebrew Univ Jerusalem Ltd Magnetic seperation of chiral compounds
FR3070985B1 (en) * 2017-09-14 2021-12-24 Univ Claude Bernard Lyon PROCESS FOR THE SELECTIVE EXTRACTION OF METALS BY MECANOSYNTHESIS AND LEACHING
CN110093505A (en) * 2018-01-28 2019-08-06 蒋盼盼 A kind of method of molten rare earth waste recovery rare earth

Also Published As

Publication number Publication date
US20220002890A1 (en) 2022-01-06
KR20230031298A (en) 2023-03-07
IL299519A (en) 2023-02-01
CN115768909A (en) 2023-03-07
AU2021301442B9 (en) 2024-02-15
AU2021301442A1 (en) 2023-02-16
CA3188559A1 (en) 2022-01-06
EP4176094A1 (en) 2023-05-10
JP2023533386A (en) 2023-08-02
MX2022016256A (en) 2023-05-17
AU2021301442B2 (en) 2023-12-14

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